EP0703045B1 - Method of making a hammer - Google Patents
Method of making a hammer Download PDFInfo
- Publication number
- EP0703045B1 EP0703045B1 EP95110194A EP95110194A EP0703045B1 EP 0703045 B1 EP0703045 B1 EP 0703045B1 EP 95110194 A EP95110194 A EP 95110194A EP 95110194 A EP95110194 A EP 95110194A EP 0703045 B1 EP0703045 B1 EP 0703045B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood
- shaft
- hammer head
- bore
- protective sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G3/00—Attaching handles to the implements
- B25G3/02—Socket, tang, or like fixings
- B25G3/12—Locking and securing devices
- B25G3/28—Locking and securing devices comprising wedges, keys, or like expanding means
Definitions
- the invention relates to a method for producing a hammer, which has a hammer head with associated hammer eye, the Hammer head on a standardized wooden tool handle using an in one screw-in wood screw and one hole containing hardened locking plate and a ring wedge is attached, so that the hammer and handle form a solid unit.
- a hammer made by another method e.g. known from DE-U-84 08 487.1, is used to secure the handle on A wedge pressed into the stem end, which spreads and holds the stem.
- a stem protection sleeve is also provided.
- the invention has for its object to improve the known methods for producing a hammer in such a way that a connection between the standardized tool handle and hammer head is created in the hammer produced with this method, which is so secure that it can never unintentionally come loose , and is so simple that it can be done by any non-specialist.
- the wooden handle should be protected from damage and breakage if it fails.
- the task is solved by the in the characteristic part of the Claim 1 specified method steps and additional Features.
- the method according to the invention makes it a hammer for the first time created with a connection between standardized wooden handle and Hammer head that can never unintentionally come loose and that is so simple that it can be done by any non-specialist.
- the wooden handle will fail in the event of damage and breakage protected.
- the hammer produced with the method according to the invention has one standardized wooden handle, the end of the handle with a hardened protective sleeve is provided.
- the hardened protective sleeve has a through hole that corresponds exactly to the dimensions of the wooden handle.
- the dimension of the Hardened protective sleeve is made in such a way that the wooden handle that is in the The handle area is conical, is firmly pressed into the hardened protective sleeve and protrudes as far out of the sleeve as for fastening in the hammer head is needed.
- the hardened protective sleeve can also be screwed, Rivets or notches can be firmly connected to the handle.
- the wooden handle with the hardened protective sleeve is by firm contact of the hardened protective sleeve on the hammer head in the Hammer eye driven.
- the wooden handle is made by driving one Ring wedge spread and fastened in the hammer eye.
- a hardened one Locking plate that is larger than the dimension of the hammer eye by screwing a wood screw into the wood handle firmly with the Hammer head and the wooden handle connected.
- FIG. 1 The figures of the drawings show that with the invention Process manufactured hammer in one embodiment.
- the wooden handle 1 is equipped with a hardened protective sleeve 4, which in addition can be secured by screws, rivets or notches.
- a hardened protective sleeve 4 which in addition can be secured by screws, rivets or notches.
- the wooden handle 1 with the hardened Protective sleeve 4 is driven into the hammer eye 6 until the hardened protective sleeve 4 rests firmly on the hammer head 5.
- the ring wedge 7 is hammered in Wooden handle 1 spread apart and firmly attached in hammer eye 6.
- the hardened locking plate 9 is fastened with the wood screw 11.
- the Wood screw 11 passes through the bore 10 of the hardened locking plate 9 and the bore 8 of the ring wedge 7 and is in the bore 2 for the Wood screw 11 of wooden handle 1 screwed tight.
Abstract
Description
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung eines Hammers, der einen Hammerkopf mit zugehörigem Hammerauge aufweist, wobei der Hammerkopf auf einem genormten Werkzeugstiel aus Holz mittels einer in eine Bohrung einschraubbaren Holzschraube und einer eine Bohrung enthaltenden gehärteten Sicherungsplatte sowie einem Ringkeil befestigt wird, so dass der Hammer mit Stiel eine feste Einheit bildet.The invention relates to a method for producing a hammer, which has a hammer head with associated hammer eye, the Hammer head on a standardized wooden tool handle using an in one screw-in wood screw and one hole containing hardened locking plate and a ring wedge is attached, so that the hammer and handle form a solid unit.
Bei den nach den bekannten Verfahren hergestellten Hämmern, wie z.B. bekannt aus der DE-A-3 307 969, gibt es keine Schutzhülsen, die den Holzstiel bei Fehlschlägen vor Beschädigungen oder Abbrechen schützen. Es fehlen weiterhin gesonderte Mittel zur Aufnahme der den Schaft der Holzschraube umgebenden konischen Metallhülse. Bei dieser bekannten Ausführungsform liegt die Metallscheibe zur Aufnahme der Holzschraube im Hammerauge des Hammerkopfes, d.h. das Hammerauge muss zur Aufnahme der Metallscheibe verändert, d.h. mechanisch bearbeitet werden. In the hammers manufactured by the known methods, e.g. known from DE-A-3 307 969, there are no protective sleeves that the Protect the wooden handle from damage or breakage if it fails. It there is still a lack of separate means for receiving the shaft of the Wood screw surrounding conical metal sleeve. In this known Embodiment is the metal disc Picking up the wood screw in the hammer eye of the hammer head, i.e. the hammer eye must be changed to accommodate the metal disc, i.e. machined.
Bei einem nach einem anderen Verfahren hergestellten Hammer, wie z.B. bekannt aus dem DE-U-84 08 487.1, wird zur Sicherung des Stieles am Stielende ein Keil in den Stiel eingepresst, der den Stiel spreizt und festhält. Ferner ist eine Stielschutzhülse vorgesehen.In a hammer made by another method, e.g. known from DE-U-84 08 487.1, is used to secure the handle on A wedge pressed into the stem end, which spreads and holds the stem. A stem protection sleeve is also provided.
Da Holz ein lebender Werkstoff ist, kommt es häufig vor, dass die Stiele bei trockener Lagerung - besonders im Winter, wenn viel geheizt wird - schrumpfen und nicht mehr fest mit dem Hammerkopf verbunden sind. Nicht selten kommt es dann zu Unfällen, weil sich der Hammerkopf vom Stiel löst und unkontrolliert wegfliegt.Since wood is a living material, it often happens that the stems come in dry storage - especially in winter when there is a lot of heating - shrink and are no longer firmly attached to the hammer head. Not Accidents rarely occur because the hammer head comes off the handle and flies away uncontrollably.
Der Erfindung liegt die Aufgabe zugrunde, die bekannten Verfahren zur Herstellung eines Hammers in der Weise zu verbessern, dass bei dem mit diesem Verfahren hergestellten Hammer eine Verbindung zwischen genormten Werkzeugstiel und Hammerkopf geschaffen wird, die so sicher ist, dass sie sich niemals ungewollt lösen kann, und die so einfach ist, dass sie von jedem Nicht-Fachmann vorgenommen werden kann. Zusätzlich soll der Holzstiel bei Fehlschlägen vor Beschädigungen und Abbrechen geschützt werden.The invention has for its object to improve the known methods for producing a hammer in such a way that a connection between the standardized tool handle and hammer head is created in the hammer produced with this method, which is so secure that it can never unintentionally come loose , and is so simple that it can be done by any non-specialist. In addition, the wooden handle should be protected from damage and breakage if it fails.
Die Aufgabe wird gelöst durch die im kennzeichnenden Teil des
Patentanspruches 1 angegebenen Verfahrensschritte und zusätzlichen
Merkmale. Durch das erfindungsgemäße Verfahren wird erstmalig ein Hammer
geschaffen, mit einer Verbindung zwischen genormten Holzstiel und
Hammerkopf, die sich niemals ungewollt lösen kann, und die so einfach ist,
dass sie von jedem Nicht-Fachmann vorgenommen werden kann. Zusätzlich
wird der Holzstiel bei Fehlschlägen vor Beschädigungen und Abbrechen
geschützt.The task is solved by the in the characteristic part of the
Der mit dem erfindungsgemäßen Verfahren hergestellte Hammer hat einen genormten Holzstiel, der am Stielende mit einer gehärteten Schutzhülse versehen wird. Die gehärtete Schutzhülse hat eine durchgehende Bohrung, die genau der Abmessung des Holzstieles entspricht. Die Abmessung der gehärteten Schutzhülse ist so gefertigt, dass der Holzstiel, der im Einstielbereich konisch ist, fest in die gehärtete Schutzhülse eingepresst wird und so weit aus der Hülse hervorragt, wie für die Befestigung im Hammerkopf benötigt wird. Die gehärtete Schutzhülse kann zusätzlich durch Schrauben, Nieten oder Einkerbungen fest mit dem Stiel verbunden werden.The hammer produced with the method according to the invention has one standardized wooden handle, the end of the handle with a hardened protective sleeve is provided. The hardened protective sleeve has a through hole that corresponds exactly to the dimensions of the wooden handle. The dimension of the Hardened protective sleeve is made in such a way that the wooden handle that is in the The handle area is conical, is firmly pressed into the hardened protective sleeve and protrudes as far out of the sleeve as for fastening in the hammer head is needed. The hardened protective sleeve can also be screwed, Rivets or notches can be firmly connected to the handle.
Der Holzstiel mit gehärteter Schutzhülse wird bis zum Anschlag, d.h. bis zum festen Anliegen der gehärteten Schutzhülse am Hammerkopf in das Hammerauge eingetrieben. Der Holzstiel wird durch Einschlagen eines Ringkeiles gespreizt und im Hammerauge befestigt. Eine gehärtete Sicherungsplatte, die größer ist als die Abmessung des Hammerauges, wird durch Einschrauben einer Holzschraube in den Holzstiel fest mit dem Hammerkopf und dem Holzstiel verbunden.The wooden handle with the hardened protective sleeve is by firm contact of the hardened protective sleeve on the hammer head in the Hammer eye driven. The wooden handle is made by driving one Ring wedge spread and fastened in the hammer eye. A hardened one Locking plate that is larger than the dimension of the hammer eye by screwing a wood screw into the wood handle firmly with the Hammer head and the wooden handle connected.
Die Figuren der Zeichnungen zeigen den mit dem erfindungsgemäßen
Verfahren hergestellten Hammer in einem Ausführungsbeispiel. Es wird dabei
der Holzstiel 1 mit einer gehärteten Schutzhülse 4 bestückt, die zusätzlich
durch Schrauben, Nieten oder Einkerbungen gesichert werden kann. Der
Holzstiel 1 wird so weit in die gehärtete Schutzhülse 4 eingepresst, dass die
aus der gehärteten Schutzhülse 4 heraustretende Länge des Holzstieles 1 der
Höhe des Hammerkopfes 5 entspricht. Der Holzstiel 1 mit der gehärteten
Schutzhülse 4 wird so weit in das Hammerauge 6 eingetrieben, bis die
gehärtete Schutzhülse 4 am Hammerkopf 5 fest anliegt. In die Bohrung 3 für
den Ringkeil 7 des Holzstieles 1 wird der Ringkeil 7 eingeschlagen, der den
Holzstiel 1 auseinanderspreizt und fest im Hammerauge 6 befestigt. Zusätzlich
wird die gehärtete Sicherungsplatte 9 mit der Holzschraube 11 befestigt. Die
Holzschraube 11 durchquert die Bohrung 10 der gehärteten Sicherungsplatte 9
und die Bohrung 8 des Ringkeiles 7 und wird in die Bohrung 2 für die
Holzschraube 11 des Holzstieles 1 festgeschraubt. Durch die Verbindung der
gehärteten Sicherungsplatte 9 mit dem Hammerkopf 5, dem Ringkeil 7 und
dem Holzstiel 1 wird der Hammer mit Stiel 12 zu einer Einheit, die sich
unbeabsichtigt nicht mehr lösen lässt.The figures of the drawings show that with the invention
Process manufactured hammer in one embodiment. It will be there
the
Claims (1)
- A method of making a hammer which has a hammer head (5) with associated shaft hole (6), wherein the hammer head is fixed on a standardized tool shaft (1) of wood by means of a wood screw (11) which can be screwed into a bore (2) and a hardened securing plate (9) having a bore (10) as well as by means of an annular wedge member (7) so that the hammer forms a fixed unit with the shaft, characterised by the following method steps and additional features :a) a hardened protective sleeve (4) is pressed on to the wood shaft (1),b) the protective sleeve (4) is pressed so far on to the wood shaft (1) that after the wood shaft (1) is fitted into the shaft hole (6) in the hammer head the protective sleeve bears firmly against the hammer head (5),c) the protective sleeve (4) is fixedly connected to the wood shaft (1) by screwing or riveting or by indentations,d) the wood shaft (1) is provided with the bore (2) for receiving the wood screw (11) and with a bore (3) for receiving the annular wedge member (7), wherein the bores (2 and 3) are disposed precisely concentrically,e) the wood shaft (1) with protective sleeve (4) is driven so far into the shaft hole (6) in the hammer head that the protective sleeve (4) bears firmly against the hammer head,f) the wood shaft (1), which is driven into the shaft hole (6) in the hammer head, with protective sleeve (4), is fixed to the hammer head (5) by the annular wedge member (7) being driven into the bore (3) for receiving same,g) the end of the wood shaft (1) which is fitted into the hammer head (5) is provided with the hardened securing plate (9) having the bore (10) which is coaxial with respect to the bore (3) for receiving the annular wedge member and the wood screw bore (2),h) the securing plate (9) is connected to the wood shaft which is fitted into the hammer head by screwing the wood screw (11) which passes through the bore (10) in the securing plate (9) and the annular wedge member (7) into the wood screw bore (2), andi) the wood shaft (1) with protective sleeve (4) is fixedly connected to the hammer head (5) by fixing the securing plate (9) with the wood screw (11) so that unintentional loosening of the hammer head (5) and the wood shaft (1) is prevented.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9414187U | 1994-08-30 | ||
DE9414187U DE9414187U1 (en) | 1994-08-30 | 1994-08-30 | Standardized wooden tool handle with hardened protective sleeve and additional securing device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0703045A1 EP0703045A1 (en) | 1996-03-27 |
EP0703045B1 true EP0703045B1 (en) | 1998-03-25 |
Family
ID=6913165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95110194A Expired - Lifetime EP0703045B1 (en) | 1994-08-30 | 1995-06-30 | Method of making a hammer |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0703045B1 (en) |
AT (1) | ATE164338T1 (en) |
DE (2) | DE9414187U1 (en) |
ES (1) | ES2115295T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202012001634U1 (en) | 2012-02-16 | 2012-03-01 | Joh. Hermann Picard Gmbh & Co. Kg | Wedge screw for attaching wooden stems with steel handle sleeve with large angled contact surface for hammers |
DE202015106961U1 (en) | 2015-12-21 | 2016-03-31 | Gedore-Werkzeugfabrik Gmbh & Co. Kg | Tool |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH91379A (en) * | 1919-02-26 | 1921-11-01 | Jac Huber | Handle attachment device. |
GB1023759A (en) * | 1964-07-31 | 1966-03-23 | Mario Mainetti | Plastics tool handle |
DE3208586C2 (en) * | 1982-03-10 | 1986-12-11 | Bremer, Hans-Herbert, 5600 Wuppertal | hammer |
DE3307969A1 (en) * | 1983-03-07 | 1984-09-13 | Maiwald-Befestigungsbedarf, 5902 Netphen | Device for attaching a helve |
DE8408487U1 (en) * | 1984-03-20 | 1985-07-18 | Carl Dan. Peddinghaus Gmbh & Co Kg, 5828 Ennepetal | Hand hammer |
DE3913739A1 (en) * | 1989-04-26 | 1990-10-31 | Cdp Handwerkzeug Gmbh & Co Kg | HANDHAMMER |
FR2650524B1 (en) * | 1989-08-03 | 1994-08-26 | Loire Milourd Ets Moulin Blanc | PROTECTIVE DEVICE FOR HANDLE OF HITTING TOOLS AND MOUNTING METHOD THEREOF |
DE9205632U1 (en) * | 1992-04-25 | 1992-06-17 | Fa. Hermann Bremer, 5600 Wuppertal, De |
-
1994
- 1994-08-30 DE DE9414187U patent/DE9414187U1/en not_active Expired - Lifetime
-
1995
- 1995-06-30 EP EP95110194A patent/EP0703045B1/en not_active Expired - Lifetime
- 1995-06-30 DE DE59501692T patent/DE59501692D1/en not_active Expired - Lifetime
- 1995-06-30 ES ES95110194T patent/ES2115295T3/en not_active Expired - Lifetime
- 1995-06-30 AT AT95110194T patent/ATE164338T1/en active
Also Published As
Publication number | Publication date |
---|---|
ES2115295T3 (en) | 1998-06-16 |
ATE164338T1 (en) | 1998-04-15 |
EP0703045A1 (en) | 1996-03-27 |
DE9414187U1 (en) | 1995-01-26 |
DE59501692D1 (en) | 1998-04-30 |
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